Throttle control lever



v May 9; 1 939. KQONCE 2,157,792

THROTTLE'CONTROLLEVER Filed May 25,- 1938 2 Sheets-Sheet 1 jaw? fiaorzca,

Inventor y 1939- D. KOONCE 2,157,792

THROTTLE CONTROL LEVER Filed May 25, 1938 2 Sheets-Sheet 2 In venior Jam a [1207206,

2/ By A; Y 5mm A iiorneys tin; Mi UONTRDL LEVER vid Koonce, Bellaire, Ulric Application May 25, 1938, Serial No. 210,078

This invention appertains to new and useful improvements in throttle levers and more particularly to a lever which can bev micronietrically adjusted without the use of dual quadrants and detents,

Another important object of the invention is to provide a simplified throttle control lever the detent of which offers means whereby vernier adjustment may be accomplished.

These and various other important objects and advantages of the invention will become apparent to the reader of the following specification.

In the drawings:

Figure 1 represents a side elevational view of the lever.

Figure 2 is a sectional view taken substantial] on theline 2-2 of Figure 1.

Figure 3 is a side elevational view of the controller.

Figure 4 is a sectional view showing the clutch means.

Figure 5 is a cross-sectional view on the line 55 of Figure 2.

Figure 6 is a fragmentary detailed sectional view on the line 6-6 of Figure 4.

Referring to the drawings wherein like numerals designate like parts, it can be seen in Figure 1, that numeral 5 represents the elongated lever which is pivotally connected as at 6 to the bracket i.

Numeral 8 represents the quadrant having the gear teeth 9. Numeral iii represents the throttle controlling rod which is pivotally connected to the lever 5 as at H.

35 Numeral i2 represents a hollow gear structure in which the pair of clutch shoes i3i3 is pivotally mounted as at M. These shoes are of arcuate shape and each at its-inner side is provided with an arcuate grooveway for receiving the send-circular spring member it which tends to expand the shoes against the inner side of the gear periphery The gear is mounted on the stub shaft i6, one end of this shaft extending into the lever 5. One end of the shaft i5 is provided with the head I'i and the other end with the nut is and cotter key i9 Extending through the lever 5 is the short shaft 20. This shaft extending into the gear i2 and having the cam 2| mounted on its inner end and operative between the free ends of the shoes 93-43.

An arm 22 having the clamp end 23 is clamped to the outer end of. the shaft 26. The other end 55 of the arm 22 is formed with a slot for receiving the lateral pin 24 on the slide bar 25 of the detent means, this slide bar being divided into the sections a--b which are pivotally connected together as at c. A bell-crank shaped handle 26 is provided on the handle portion 21 of the lever 5 and to this is pivotally connected the section b of the slide 25. .The slide 25 is disposed through the guide 28 and bolts extending from the lever 5 and through slots 29 in the slide 25 are equipped with nuts to prevent displacement of the slide from the lever 5. A block 30 is suitably secured to the quadrant 8 and over this rides the reduced extension 3! of the slide 25.

Thus it can be seen, that by drawing the handle 26 toward the handle 21, the cam 2i will be rotated in the gear so as to release the shoes i3 so that the spring IE will contract the same and free the gear so that it can be ridden on the quadrant 9. Obviously, releasement of the handle 26 will result in the stopping of the gear and the securingof the same against further adjustment.

The guide 28 has an opening therethrough, through which the rod 32 extending from the section a. is slidable and interposed between this block 28 in the section a is the spring 33 which acts to return the cam 20 to a position expanding the shoes.

While the foregoing specification sets forth the invention in specific terms, it is to be understood that numerous changes in the shape, size and materials may be resorted to without departing from the spirit and scope of the invention as claimed hereinafter. Having described the claimed as new is:

l. A control lever comprising a pivotal hand bar, a quadrant, a gear carried by the hand bar invention, what is and meshing with the quadrant, and holdingmeans on the gear, said, holding means comprising a detent carried by the hand bar and expanding means in the gear for holding the gear against rotation and in response to the detent means.

2. A control lever comprising a pivotal hand bar, a quadrant, a gear carried by the hand bar and meshing with the quadrant, and holding means on the gear, said holding means comprising a detent carried by the hand bar and expanding means in the gear for holding the gear against rotation and in response to the detent means, and spring means associated with the detent means for holding the expanding means expanded while the detent means is in normal position.

DAVID KOONCE. 

